Optus d3 – Orbital Optus D3 User Manual

Page 2

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Orbital Sciences Corporation

45101 Warp Drive

Dulles, Virginia 20166

www.orbital.com

©2014 Orbital Sciences Corporation

FS004_07_2998

Coverage Contour Maps

Australia Antenna Pattern

Optus D3

Mission Partners

Optus of Australia

A leader in providing integrated communications in Australia

Orbital Sciences Corporation

Prime contractor for three Optus Ku-band satellites

Arianespace

Launch provider

Specifications

Spacecraft

Launch Mass:

2,500 kg (5,500 lb.)

Solar Arrays:

Four panels per array, UTJ Gallium
Arsenide cells

Stabilization:

3-axis stabilized; zero momentum system

Propulsion:

Liquid bi-propellant transfer orbit system;
monopropellant (hydrazine) on-orbit system

Batteries:

Two 5140 W-Hr capacity Li-Ion batteries (BOL)

Mission Life:

15 years

Orbit: 156

°

East Longitude

Payload

Ku-band
Repeater:

24 active transponders with 28-for-24 125 W
TWTAs (primary transponders); 10-for-8 44
W TWTAs (backup transponders)

Payload Power:

5.0 kW

Antenna:

Two 2.3 m dual grid shaped deployable
reflectors

Launch

Launch Vehicle:

Ariane 5

Site:

Kourou, French Guiana

Date:

August 21, 2009

New Zealand Antenna Pattern

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